What is Lame Duck President?
1.
Used to describe a President during the period of time between losing an election (or being term limited) and the actual swearing in of the new President.
George W. Bush will be a lame duck President after the 2008 election.
2.
A President that already served his/her first term.
It usually means that the President can focus on different things now since they know they have nothing to lose (usually).
"George W. Bush is a lame duck president now!"
See